Alert archive / Tennessee / Greene County

Weather alerts in Greene County, Tennessee, 2024

179 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Greene County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
179
Warnings
58
Watches
16
Advisories
69
Busiest month
May34 alerts
Busiest day
July 30, 202410 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Greene County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings282029%3100%17 min
Flash flood warnings6350%580%42 min

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Morristown, TN: tornado warnings18383%4100%11 min
NWS Morristown, TN: severe thunderstorm warnings18914026%22986%22 min
NWS Morristown, TN: flash flood warnings613543%9276%75 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 5, 3:47 AM ESTWind AdvisoryMRX11 hr
Jan 5, 3:11 PM ESTHigh Wind WarningMRX19 hr
Jan 7, 3:21 AM ESTHigh Wind WatchMRX24 hr
Jan 8, 3:45 AM ESTHigh Wind WarningMRX39 hr
Jan 8, 3:45 AM ESTWind AdvisoryMRX57 hr
Jan 9, 8:59 PM ESTWinter Weather AdvisoryMRX12 hr
Jan 10, 3:04 PM ESTHigh Wind WatchMRX12 hr
Jan 11, 3:21 AM ESTHigh Wind WarningMRX39 hr
Jan 11, 3:21 AM ESTWind AdvisoryMRX60 hr
Jan 13, 3:39 AM ESTWinter Storm WatchMRX24 hr
Jan 14, 3:43 AM ESTWinter Storm WarningMRX51 hr
Jan 16, 3:22 AM ESTWind Chill AdvisoryMRX33 hr
Jan 17, 3:18 PM ESTWinter Weather AdvisoryMRX64 hr
Jan 18, 3:04 PM ESTWind Chill WatchMRX13 hr
Jan 19, 3:39 AM ESTWind Chill WarningMRX54 hr
Jan 19, 3:39 AM ESTWind Chill AdvisoryMRX54 hr
Jan 24, 2:37 AM ESTWind AdvisoryMRX22 hr
Jan 25, 6:02 AM ESTDense Fog AdvisoryMRX3 hr
Jan 25, 10:07 AM ESTDense Fog AdvisoryMRX113 min
Jan 26, 3:16 PM ESTFlood WatchMRX23 hr
Jan 26, 3:18 PM ESTWind AdvisoryMRX34 hr
Jan 27, 2:55 PM ESTWinter Storm WarningMRX43 hr
Feb 10, 4:19 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 12, 3:23 AM ESTWind AdvisoryMRX28 hr
Feb 12, 4:55 PM ESTWinter Weather AdvisoryMRX14 hr
Feb 12, 9:03 PM ESTSpecial Weather StatementMRX42 min
Feb 12, 9:36 PM ESTSevere Thunderstorm WarningMRX24 min
Feb 22, 2:33 AM ESTWind AdvisoryMRX21 hr
Feb 22, 11:32 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 23, 3:55 PM ESTWinter Weather AdvisoryMRX28 hr
Feb 26, 3:00 PM ESTWind AdvisoryMRX52 hr
Feb 28, 12:33 PM ESTSevere Thunderstorm Warning Considerable damage threatMRX42 min
Feb 28, 12:39 PM ESTSevere Thunderstorm WarningMRX51 min
Feb 28, 1:13 PM ESTSpecial Weather StatementMRX32 min
Feb 29, 2:54 PM ESTWind AdvisoryMRX33 hr
Mar 3, 1:48 AM ESTDense Fog AdvisoryMRX7 hr
Mar 7, 2:36 PM ESTWind AdvisoryMRX43 hr
Mar 8, 8:19 PM ESTHigh Wind WarningMRX14 hr
Mar 9, 3:27 AM ESTWind AdvisoryMRX41 hr
Mar 21, 1:37 PM EDTWind AdvisoryMRX34 hr
Mar 24, 2:51 PM EDTHigh Wind WatchMRX12 hr
Mar 24, 2:51 PM EDTWind AdvisoryMRX44 hr
Mar 25, 2:36 AM EDTHigh Wind WarningMRX37 hr
Mar 28, 2:56 PM EDTFrost AdvisoryMRX18 hr
Apr 2, 5:33 PM EDTMesoscale DiscussionSPC87 min
Apr 2, 6:07 PM EDTTornado WatchSPC7 hr
Apr 3, 3:28 PM EDTWinter Weather AdvisoryMRX36 hr
Apr 5, 2:13 PM EDTFreeze WarningMRX20 hr
Apr 6, 12:51 PM EDTFreeze WarningMRX20 hr
Apr 9, 2:36 PM EDTHigh Wind WatchMRX12 hr
Apr 10, 2:57 AM EDTHigh Wind WarningMRX32 hr
Apr 11, 4:39 PM EDTSpecial Weather StatementMRX51 min
Apr 12, 3:41 AM EDTWind AdvisoryMRX17 hr
Apr 19, 2:33 PM EDTMesoscale DiscussionSPC117 min
Apr 21, 3:25 AM EDTFrost AdvisoryMRX30 hr
Apr 22, 2:43 PM EDTFrost AdvisoryMRX18 hr
Apr 26, 9:58 PM EDTWind AdvisoryMRX8 hr
Apr 27, 7:41 PM EDTWind AdvisoryMRX8 hr
Apr 28, 2:48 PM EDTWind AdvisoryMRX12 hr
May 1, 3:16 AM EDTDense Fog AdvisoryMRX7 hr
May 6, 6:59 PM EDTSpecial Weather StatementMRX46 min
May 6, 7:16 PM EDTSevere Thunderstorm WarningMRX44 min
May 6, 8:53 PM EDTSevere Thunderstorm WarningMRX52 min
May 6, 9:32 PM EDTSevere Thunderstorm WarningMRX32 min
May 8, 2:28 AM EDTFlood WatchMRX30 hr
May 8, 10:04 AM EDTSevere Thunderstorm WatchSPC6 hr
May 8, 10:53 AM EDTSevere Thunderstorm WarningMRX52 min
May 8, 10:56 AM EDTMesoscale DiscussionSPC94 min
May 8, 11:33 AM EDTSevere Thunderstorm Warning Considerable damage threatMRX42 min
May 8, 11:57 AM EDTSevere Thunderstorm WarningMRX48 min
May 8, 10:38 PM EDTSpecial Weather StatementMRX67 min
May 9, 6:18 AM EDTAreal Flood AdvisoryMRX4 hr
May 11, 5:58 AM EDTDense Fog AdvisoryMRX3 hr
May 13, 11:47 AM EDTWind AdvisoryMRX16 hr
May 15, 12:12 AM EDTSpecial Weather StatementMRX33 min
May 15, 12:45 AM EDTSpecial Weather StatementMRX30 min
May 15, 12:49 AM EDTSevere Thunderstorm WarningMRX26 min
May 18, 5:34 PM EDTSpecial Weather StatementMRX41 min
May 18, 5:45 PM EDTSevere Thunderstorm WarningMRX45 min
May 25, 6:08 AM EDTSpecial Weather StatementMRX37 min
May 26, 1:13 PM EDTMesoscale DiscussionSPC92 min
May 26, 1:46 PM EDTSevere Thunderstorm WatchSPC9 hr
May 26, 5:00 PM EDTMesoscale DiscussionSPC90 min
May 26, 5:06 PM EDTSevere Thunderstorm Warning Considerable damage threatMRX39 min
May 26, 5:09 PM EDTSevere Thunderstorm WarningMRX51 min
May 26, 5:42 PM EDTSevere Thunderstorm Warning Considerable damage threatMRX48 min
May 26, 6:19 PM EDTSevere Thunderstorm WarningMRX26 min
May 26, 6:35 PM EDTMesoscale DiscussionSPC85 min
May 26, 6:49 PM EDTAreal Flood AdvisoryMRX3 hr
May 27, 3:05 AM EDTMesoscale DiscussionSPC55 min
May 27, 3:41 AM EDTSevere Thunderstorm WarningMRX49 min
May 27, 3:47 AM EDTMesoscale DiscussionSPC118 min
May 27, 3:56 AM EDTSevere Thunderstorm WarningMRX49 min
Jun 4, 4:00 PM EDTSpecial Weather StatementMRX60 min
Jun 10, 4:45 AM EDTDense Fog AdvisoryMRX4 hr
Jun 16, 3:35 PM EDTSevere Thunderstorm WarningMRX25 min
Jun 30, 2:16 PM EDTMesoscale DiscussionSPC119 min
Jun 30, 6:25 PM EDTSevere Thunderstorm WarningMRX31 min
Jul 5, 8:56 AM EDTMesoscale DiscussionSPC3 hr
Jul 5, 2:22 PM EDTSpecial Weather StatementMRX38 min
Jul 5, 2:48 PM EDTSevere Thunderstorm WarningMRX27 min
Jul 7, 4:19 PM EDTSpecial Weather StatementMRX41 min
Jul 29, 9:02 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 29, 3:48 PM EDTAreal Flood AdvisoryMRX3 hr
Jul 30, 3:36 AM EDTFlood WatchMRX4 days
Jul 30, 7:19 AM EDTSevere Thunderstorm WarningMRX56 min
Jul 30, 8:05 AM EDTSpecial Weather StatementMRX40 min
Jul 30, 11:01 AM EDTSevere Thunderstorm WarningMRX44 min
Jul 30, 11:44 AM EDTSevere Thunderstorm WarningMRX46 min
Jul 30, 11:48 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 30, 12:16 PM EDTSpecial Weather StatementMRX44 min
Jul 30, 4:01 PM EDTMesoscale DiscussionSPC119 min
Jul 30, 4:07 PM EDTSevere Thunderstorm WarningMRX53 min
Jul 30, 5:49 PM EDTSevere Thunderstorm WarningMRX23 min
Aug 1, 9:01 PM EDTMesoscale DiscussionSPC89 min
Aug 1, 9:41 PM EDTSevere Thunderstorm WarningMRX49 min
Aug 1, 9:43 PM EDTSevere Thunderstorm WarningMRX47 min
Aug 1, 9:48 PM EDTSevere Thunderstorm WarningMRX57 min
Aug 1, 10:30 PM EDTSpecial Weather StatementMRX45 min
Aug 2, 1:37 PM EDTAreal Flood AdvisoryMRX113 min
Aug 2, 1:43 PM EDTMesoscale DiscussionSPC2 hr
Aug 2, 3:26 PM EDTFlash Flood WarningMRX4 hr
Aug 16, 3:01 PM EDTSpecial Weather StatementMRX44 min
Aug 16, 6:14 PM EDTFlash Flood WarningMRX3 hr
Aug 17, 10:19 PM EDTSpecial Weather StatementMRX26 min
Sep 1, 5:26 PM EDTAreal Flood AdvisoryMRX3 hr
Sep 11, 2:50 PM EDTWind AdvisoryMRX44 hr
Sep 13, 3:13 PM EDTWind AdvisoryMRX17 hr
Sep 23, 2:13 PM EDTMesoscale DiscussionSPC92 min
Sep 24, 1:35 PM EDTSpecial Weather StatementMRX25 min
Sep 24, 1:55 PM EDTMesoscale DiscussionSPC65 min
Sep 24, 2:55 PM EDTFlood WatchMRX71 hr
Sep 25, 12:35 AM EDTAreal Flood AdvisoryMRX3 hr
Sep 25, 1:38 PM EDTHigh Wind WatchMRX23 hr
Sep 25, 2:50 PM EDTFlash Flood WarningMRX4 hr
Sep 25, 7:02 PM EDTFlash Flood WarningMRX3 hr
Sep 25, 9:40 PM EDTHigh Wind WarningMRX55 hr
Sep 26, 9:11 AM EDTAreal Flood WarningMRX8 hr
Sep 26, 10:52 AM EDTRiver Flood WarningMRX63 hr
Sep 26, 12:07 PM EDTAreal Flood WarningMRX5 hr
Sep 26, 4:59 PM EDTAreal Flood WarningMRX12 hr
Sep 27, 8:50 AM EDTAreal Flood WarningMRX3 hr
Sep 27, 2:29 PM EDTWind AdvisoryMRX24 hr
Sep 27, 4:54 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatMRX3 hr
Sep 27, 6:01 PM EDTAreal Flood WarningMRX16 hr
Sep 27, 8:26 PM EDTAreal Flood WarningMRX14 hr
Sep 27, 10:09 PM EDTFlash Flood WatchMRX86 min
Sep 27, 11:35 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatMRX16 hr
Sep 28, 4:33 PM EDTAreal Flood WarningMRX6 hr
Oct 2, 4:57 AM EDTDense Fog AdvisoryMRX4 hr
Oct 2, 10:05 PM EDTDense Fog AdvisoryMRX12 hr
Oct 5, 3:42 AM EDTDense Fog AdvisoryMRX6 hr
Oct 26, 5:26 PM EDTAreal Flood AdvisoryMRX2 hr
Oct 30, 3:16 PM EDTWind AdvisoryMRX19 hr
Nov 3, 1:14 PM ESTWind AdvisoryMRX21 hr
Nov 4, 2:48 AM ESTWind AdvisoryMRX30 hr
Nov 9, 10:01 PM ESTWind AdvisoryMRX14 hr
Nov 13, 10:15 AM ESTHigh Wind WarningMRX24 hr
Nov 20, 3:06 AM ESTWinter Weather AdvisoryMRX3 days
Nov 27, 2:09 AM ESTWind AdvisoryMRX32 hr
Dec 2, 1:45 AM ESTWinter Weather AdvisoryMRX29 hr
Dec 4, 3:39 AM ESTWind AdvisoryMRX33 hr
Dec 8, 3:03 PM ESTWind AdvisoryMRX22 hr
Dec 9, 7:11 PM ESTDense Fog AdvisoryMRX9 hr
Dec 11, 3:56 AM ESTWinter Weather AdvisoryMRX10 hr
Dec 13, 2:09 PM ESTWind AdvisoryMRX47 hr
Dec 18, 3:18 AM ESTDense Fog AdvisoryMRX6 hr
Dec 18, 1:43 PM ESTSpecial Weather StatementMRX47 min
Dec 19, 2:56 PM ESTWinter Storm WatchMRX6 hr
Dec 19, 9:03 PM ESTWinter Weather AdvisoryMRX37 hr
Dec 26, 1:45 PM ESTWind AdvisoryMRX40 hr
Dec 27, 11:59 AM ESTHigh Wind WarningMRX17 hr
Dec 28, 5:30 AM ESTHigh Wind WarningMRX38 hr
Dec 29, 2:24 AM ESTWind AdvisoryMRX17 hr
Dec 29, 6:58 AM ESTSpecial Weather StatementMRX47 min
Dec 30, 12:01 AM ESTSpecial Weather StatementMRX44 min
Dec 30, 2:58 AM ESTWind AdvisoryMRX12 hr
Dec 30, 2:34 PM ESTHigh Wind WarningMRX20 hr
Dec 30, 2:37 PM ESTWind AdvisoryMRX28 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20232025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.